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Table 2 Influencing factors on axial migration

From: Primary stability of calcar-guided short-stem total hip arthroplasty in the treatment of osteonecrosis of the femoral head: migration analysis using EBRA-FCA

  Hips (n) Mean migration (mm) SD (mm) Median migration (mm) Range (mm) Wilcoxon-test (p)
Gender 45 1.56 1.77 1.38 − 1.62 to 6.69 0.08
 Male 23 2.11 1.92 1.39 − 0.47 to 6.69  
 Female 22 0.98 1.42 1.14 − 1.62 to 3.22  
ARCO categories       0.15
 III 6 2.78 2.46 2.23 0.22 to 6.69  
 IV 39 1.37 1.60 1.18 − 1.62 to 5.15  
Age categories       0.31
  < 65 years 24 1.36 1.97 1.16 − 1.62 to 6.69  
  > 65 years 21 1.78 1.53 1.39 − 0.76 to 5.04  
Weight categories       0.18
  < 80 kg 24 1.15 1.61 1.16 − 1.62 to 5.04  
  > 80 kg 21 2.03 1.87 1.55 − 0.22 to 6.69  
BMI categories       0.65
  < 30 kg/m2 31 1.39 1.63 1.38 − 1.62 to 5.04  
  > 30 kg/m2 14 1.94 2.06 1.35 − 0.22 to 6.69